(China (Mainland))
Product Summary
The AIC1638-27CXTR is a high efficiency step-up DC/DC converter for applications using 1 to 4 NiMH battery cells. Only three external components are required to deliver a fixed output voltage of 2.7V, 3.0V, 3.3V, or 5V. The AIC1638-27CXTR starts up from below 0.9V input with 1mA load. Pulse Frequency Modulation scheme brings optimized performance for applications with light output loading and low input voltages. The output ripple and noise are lower compared with the circuits operating in PSM mode. The applications of the AIC1638-27CXTR are (1)Pagers; (2)Cameras; (3)Wireless Microphones; (4)Pocket Organizers; (5)Battery Backup Suppliers; (6)Portable Instruments.
Parametrics
AIC1638-27CXTR absolute maximum ratings: (1)Supply Voltage: 12V; (2)SW pin Voltage: 12V; (3)SW pin Switch Current: 0.6A; (4)Power Dissipation: 500mW; (5)Operating Temperature Range: -20 to 80℃; (6)Storage Temperature Range: -65 to 150℃; (7)Lead Temperature (Sordering 10 Sec.): 260℃.
Features
AIC1638-27CXTR features: (1)Guaranteed Start-Up from below 0.9 V; (2)High Efficiency; (3)Low Quiescent Current; (4)Few Number of External Components needed; (5)Low Ripple and Low Noise; (6)Fixed Output Voltage: 2.7V, 3.0V, 3.3V, and 5V; (7)Space Saving SOT-89 and TO-92 Packages.
Diagrams
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